[Nomenclature of periodontal diseases over the years].
D002965:Classification; D006665:History of Dentistry; D049673:History, 20th Century; D006801:Humans; D010510:Periodontal Diseases / Q000266:history*; D009626:Terminology as Topic
Die Nomenklatur der Zahnbetterkrankungen im Wandel der Zeiten.